diff --git a/templates/terraform/.github/mergify.yml b/templates/terraform/.github/mergify.yml
index b0106567e..ef15545ec 100644
--- a/templates/terraform/.github/mergify.yml
+++ b/templates/terraform/.github/mergify.yml
@@ -56,3 +56,10 @@ pull_request_rules:
       changes_requested: true
       approved: true
       message: "This Pull Request has been updated, so we're dismissing all reviews."
+
+- name: "close Pull Requests without files changed"
+  conditions:
+    - "#files=0"
+  actions:
+    close:
+      message: "This pull request has been automatically closed by Mergify because there are no longer any changes."